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rodent

[rohd-nt] /ˈroʊd nt/
adjective
1.
belonging or pertaining to the gnawing or nibbling mammals of the order Rodentia, including the mice, squirrels, beavers, etc.
noun
2.
a rodent mammal.
Origin
1825-1835
1825-35; < Neo-Latin Rodentia Rodentia
Related forms
rodentlike, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for rodent
  • Although smaller than the rodent, the ferret has a clever way of suffocating the dogs down their holes.
  • These alterations in rodent behavior are thought, significantly, to mirror autism in humans.
  • But always that jerky twitching, always that smacking of rodent lips.
  • He is tall and skinny, and has a long, thin face that gives him the aspect of a friendly rodent.
  • Researchers use a running rodent to test their device.
  • Researchers often use diets containing a large proportion of energy from fat as a way to induce obesity in rodent models.
  • In rodent tests, scientists capped two nerves in a single animal--one motor and one sensory.
  • As with any rodent study, it remains to be seen whether the same thing happens in people.
  • Meerkats are good hunters and are sometimes tamed for use as rodent-catchers.
  • The team set a trap baited with fresh penguin meat in an area where trained dogs had detected concentrated rodent scent.
British Dictionary definitions for rodent

rodent

/ˈrəʊdənt/
noun
1.
  1. any of the relatively small placental mammals that constitute the order Rodentia, having constantly growing incisor teeth specialized for gnawing. The group includes porcupines, rats, mice, squirrels, marmots, etc
  2. (as modifier): rodent characteristics
Derived Forms
rodent-like, adjective
Word Origin
C19: from Latin rōdere to gnaw, corrode
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for rodent
n.

1835 (as an adjective 1833), from Modern Latin Rodentia, the order name, from Latin rodentem (nominative rodens), present participle of rodere "to gnaw, eat away," from PIE root *red- "to scrape, scratch, gnaw" (cf. Sanskrit radati "scrapes, gnaws," radanah "tooth;" Latin radere "to scrape;" Welsh rhathu "scrape, polish"). Uncertain connection to Old English rætt (see rat (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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rodent in Science
rodent
  (rōd'nt)   
Any of various very numerous, mostly small mammals of the order Rodentia, having large front teeth used for gnawing. The teeth grow throughout the animal's life, and are kept from getting too long by gnawing. Rodents make up about half the living species of mammals, and include rats, mice, beavers, squirrels, lemmings, shrews, and hamsters.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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